/**
 * Created by cxdl on 2016/9/24.
 */
import java.io.PrintWriter;
import java.util.Scanner;
public class hey {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        //use whitesapce as delimiter.
        /*sc.close();*/
        System.out.println("input a integar:");
        while(sc.hasNext())
        {
            String int_1=sc.next();
            System.out.println(int_1);
            System.out.println("input another integar:");
            int int_2=sc.nextInt();
            System.out.println(int_2);
            System.out.println("input a double float");
            double double_1=sc.nextDouble();
            System.out.printf("%e%n",double_1);
            System.out.println("input another double float");
            double double_2=sc.nextDouble();
            System.out.print(double_2);
            //print the input
        }
    }
}
